This textbook clarifies synchronization issues in telecommunications in an easy-to-follow way, focusing less on theory and more on practical aspects. The book is intended for a wide range of readers interested in the basic synchronization concepts in their wide application for development, maintenance, and conformity assessment of telecommunications equipment and networks. The authors show how, though synchronization in telecommunications has experienced rapid development, the foundational theory and the basic definitions, mathematical tools, and well-developed “classical” technologies...